正文

VOA慢速英语:医生用脊髓灰质炎治疗脑癌

2018-07-10来源:和谐英语

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Words in This Story

recur – v. to happen or appear again

retain – v. to continue to hold (something, such as heat or moisture) as time passes

paralysis – n. medical : a condition in which you are unable to move or feel all or part of your body

poliomyelitis – medical n. : polio

chemotherapy – medical n. : the use of chemicals to treat or control a disease (such as cancer)

modify – v. to change some parts of (something) while not changing other parts